Oracle RAC One Node Training Course

https://www.youtube.com/watch?v=5rOkLCdbIE4 For more info:https://ahmedfattah.com/2020/09/03/oracle-rac-one-node-training-course/ Ahmed

When to use SET DBID in RMAN?

According to oracle documentation:Specify a database's database identifier (DBID) when restoring a control file or server parameter file. Restrictions and Usage Notes for the SET DBID Command You should only run the SET DBID command in the following specialized circumstances: You are not connected to a recovery catalog and want to restore the control file … Continue reading When to use SET DBID in RMAN?

Oracle RMAN Multi-Section Feature

RMAN can optionally break up large files into sections and back up and restore these sections independently. This feature is built into RMAN. You can use it by creating multisection backups, which break up the files generated for the backup set into separate files. This can be done for backup sets and image copies. Each … Continue reading Oracle RMAN Multi-Section Feature

Change “Value” Column Width for “show parameter” in sqlplus

If you tried to increase the width of the "VALUE" column, nothing changed: I found that the NAME & Value columns have special names (for type column , it is normal): column NAME_COL_PLUS_SHOW_PARAM format A20column VALUE_COL_PLUS_SHOW_PARAM format A80 Now, it is fine.

Schedule RMAN Backup Job in one minute

In this demo, I'm going to schedule a backup job to run daily at a specific time. The backup script provided in this video is for demo only, please don't use it in production without proper testing. https://www.youtube.com/watch?v=sNQXBiOpPUk RegardsAhmed

Oracle Fail Safe 4.2.1 Implementation Plan on Windows 2016 and Oracle 12cR2

Following is the high level plan of Fail Safe 4.2.1 implementation on Windows 2016 and Oracle Database 12cR2 (12.2.0.1). System Administrator Activities: Database Administrator Activities: ThanksAhmed

OPatch error : “Unable to lock Central Inventory”

While applying Patch 31210848 "Microsoft Windows 32-Bit & x86-64 Bundle Patch 12.2.0.1.200714" on database 12.2.0.1on Windows platform I got the following error: Unable to lock Central Inventory. OPatch will attempt to re-lock. Solution: I opened another command window as Administrator, and applied the patch again. This time, it completed successfully without errors: For Windows platform, … Continue reading OPatch error : “Unable to lock Central Inventory”

How to Modify an Oracle Database Windows Service?

This is a quick post about how we can change some parameters for one database winodws service. Background:I have a database called PROD with version 19.3, running on Windows. Its service looks like: This Windows service was configured with the parameter file:D:\app\db193\WINDOWS.X64_193000_db_home\database\initPROD.oraFor some reason, I want to change the parameter file to be:M:\app\oracle\database\initPROD.ora{Actually, I'm preparing … Continue reading How to Modify an Oracle Database Windows Service?

What is Oracle Home User in Oracle Database 12c?

In this post, I'm documenting some valuable information from different resources, about the "Oracle Home User" that is introduced in Oracle 12.1, and the difference between the "Oracle Home User" and the "Oracle Installation User"? ThanksAhmed

Which User should I use for an Oracle Fail Safe Installation?

In Summary: when you are installing Oracle Fail Safe environment with Oracle 12c database, you need to operating system users: 1- Domain User with Administrative privileges on all the cluster nodes. This user will be used to configure Microsoft Failover cluster, Oracle Database Installation and Oracle Fail Safe Installation. 2- Domain User without Administrative privileges. … Continue reading Which User should I use for an Oracle Fail Safe Installation?